mimoSubString = function(_str, nLen){
	var strret = '';
	var arr = new Array();
	
	var DEFINE_STR = nLen;
	var cnt = 0;
	
	var iter = 0;
	
	for(;iter < _str.length; iter++){
		if(_str.charCodeAt(iter) > 128){
			cnt += 2;
		}else{
			cnt += 1;
		}
		
		strret += _str.charAt(iter);
		
		if(cnt >= DEFINE_STR){
			arr[arr.length] = strret;
			strret = '';
			cnt = 0;
		}
	}
	
	if(strret != ''){
		arr[arr.length] = strret;
	}
	
	return arr;
}